Mackenzie Dern is not motivated by vengeance but can avenge her first mixed martial arts loss on Saturday. Dern runs it back with Amanda Ribas at UFC Fight Night ... Check out the full interview ...

Mackenzie Dern, the Brazilian-American MMA fighter, made her UFC debut on March 3, 2018, defeating Ashley Yoder via split decision ... first woman to win a UFC fight via leg lock.

Here’s how to watch UFC Fight Night 249 with 115-pounders in the headlining spot, plus a potential welterweight slobberknocker in the co-main event. UFC Fight Night 249 has a main card that starts at ...